Draft-gear for cars.



N'. H. SURDENIK.

DRAFT GEAR FOR CARS.

APPLICATION FILED 001'. 15,1908.

9 1 4,990 v f. Patented Mar. 9, 1909.

2 SHEETSSHEET 1.

FIEQL Wi ma:

N. H. SURDENIK.

DRAFT GEAR FOR CARS.

APPLIOATIONIILBD OUT. 15,1908.

91 4,990., Patented Mar. 9, 1909.

2 SHEETS-SHEET 2.

t I I FIE 5 30 H 28 33 WII.

I Nichobas Hfimrdenit Witnesses UNITED srarns NICHOLAS H. SURDENIK, CHICAGO, ILLINOIS.

DRAFT-GEAR FOR CAI-LS.

Application filed Qctober 15, 1908.

To all whom it may concern Be it known that I, NICHOLAS H. Sonnn- NIK, a citizen ofllungary, residing at Chi- J cago, in the county of Cook, and State of lllinois, have invented certain new and useful Improvements in Draftlears for Cars; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the Same The invention relates to draft gears for railway cars.

The primary'object of the invention is the provision of a draft gear adapted more especially for cars, and comprises means for yieldably supporting the coupler and maintainingthe same in a predetermined plane below the sillsof the car truck, and the construction thereof being strong, durable and easy of ac cess for repair when necessary, and whereby the necessary spring buffing and drawing effectis imparted to the draw bar, and the movement of the draw bar against the resistance of its springs may be reduced or minimized consistent to the proper working thereof.

Another object of the invention is the provision of a draw gear for cars which can be readily and quic ly attached or detached from the car truck and that will effect a proper buffing and drawing resistance to the draft'bar, the construction being thoroughly durable and inexpensive in the manufacture.

In the drawings accompanying and forming part of this specification is illustrated one form of embodiment of the invention which to enable those skilled in the art to practice the invention, will be set forth at length in the following description while the novelty of the invention will be included in the claim succeeding "said description, although it is to be understood that minor changes, variations and modifications may be resorted to suchas come properly within the scope of the claim succeeding the description without departing from the spirit of the invention.

In the drawings: Figure 1 is a side view in elevation of the coupler and spring mechanism of a draw gear. Fig. 2 is a top plan view. Fig. '1 is 9. bottom plan view. Fig. 5 is a side elevation of the draw bar detached 7 from the draw gear mechanism. Fig. 6 is a transverse sectional view on the line 66 of Fig. 1.

Similar reference characters indicate corre- Specification of Letters Patent.

Patented March 9, 1909.

Serial No. 457,922

, spending parts throughout the several views in the drawings.

1 in the drawings the numeral 8 designates the end sill of a car frame or trucl: and 9 the center sills or stringers which latter are mounted upon a'bodj, bolster 10. Connect ed to the inner faces of the center sills are draft plates 11 the same supporting against their outer faces channel bars 12 which are united by bolt fasteners 13. Mounted upon said channel bars are castings 14 the same formed with. outwardly projecting annular bearing heads 15 each having central opening in which is slid-ably mounted a guide pin 16 carrying a follower blocl-z l7 and surrounding the guide pin 16 is a coiled expansion spring the bearinghead 15 while the opposite end has its bearing against the follower block 17 and which follower block normally rests in a stop pocket 19 formed on the said casting. The said follower blocks 1-7have formed thereon spaced ears or extensions 20 to receive th'erehetween a bar or key 21 the latter also 4 engaging correspondingly shaped openings 22 formed inthe stop pockets 19 to accommodate the said bar or key. The bar or key 21 has mounted in opposite ends thereof cotter pins 23 to prevent lateral displacement thereof when mounted in the openings 22 and between the extensions 20 of thefollower blocks.

Movable longitudinally between the draft plates 11 is a draft or draw bar 2 1 the latter having at its inner end a yoke 25 in which is supported a bearing block 26 supporting centrally thereof a tail bolt 27 to one end of which is connected a follower block 28 between which latter and the bearing block 26 is disposed a coiled expansion spring 29 the same having one end bearing against the fol lower block 28 while the opposite end has its bearing against the bearing block 26. In advance or in front of the follower block and stop block 30, the latter containing a central slot 31 in register or coincident with a slot 32 formed in the front face of the follower block and through which slots pass the bar or key 21 to connect and position the drawor. draft bar 24 between the draw plates supporting the channel bars 12 upon the car. frame or truck.

Pressure of the draw bar in the backward direction causes it to move the bar or key 21 which latter moves the follower blocks 17 supported by the yoke 25 is a filling'blocl: or-

1.8 the latter having one end bearing against .ward pull of the draw bar and the springs 18 act against the rear movement of said draw oar and permits the same to have the limited movement desired.

Disposed within the springs mounted in the yoke 25 and castings 14' are supplemental cushioning springs 33 the same being of decreased size with respect to the springs 18 and 29 and having their bearing against the follower and bearing blocks or heads.

What is claimed is- In a draft gear, the combination of center ")lates, castings mounted upon said channel 20 ms, nearing heads formed on said castings, follower blocks slidable in said castings, cushioning springs interposed between the follower and bearing blocks, draft oar slidalily arranged between the draft plates, a yoke carried by said draft oar, a bearing bloc-l: mounted in said yoke, a follower i'llOCli slidable in said yoke, a cushioning spring interposed between said bearing and follower blocks in the yoke. and a lie passing through the i'ollower blocks in the castings and yoke.

In testimony whereof, I ailix my signature, in presence of two Witnesses,

. NICHOLAS H. SURDENIK. Witnesses EUGENE VOLKAY, MIKE HALYKo. 

